/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ratis.experiments.nettyzerocopy.decoders;


import org.apache.ratis.experiments.nettyzerocopy.objects.ResponseData;
import org.apache.ratis.thirdparty.io.netty.buffer.ByteBuf;
import org.apache.ratis.thirdparty.io.netty.channel.ChannelHandlerContext;
import org.apache.ratis.thirdparty.io.netty.handler.codec.ReplayingDecoder;

import java.util.List;

/**
 * A decoder from incoming {@link ResponseData} messages from server.
 */

public class ResponseDecoder
    extends ReplayingDecoder<ResponseData> {

  @Override
  protected void decode(ChannelHandlerContext channelHandlerContext,
                        ByteBuf byteBuf, List<Object> list) throws Exception {
    ResponseData reply = new ResponseData();
    reply.setId(byteBuf.readInt());
    list.add(reply);
  }
}